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https://issues.apache.org/jira/browse/IMPALA-3876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Rodoni resolved IMPALA-3876.
---------------------------------
       Resolution: Fixed
    Fix Version/s: Not Applicable

It seems like most of the flags now use "–" in the docs.

> arguments: single or double dash?
> ---------------------------------
>
>                 Key: IMPALA-3876
>                 URL: https://issues.apache.org/jira/browse/IMPALA-3876
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Docs
>    Affects Versions: Impala 2.5.0
>            Reporter: Marcell Szabo
>            Assignee: Alex Rodoni
>            Priority: Minor
>             Fix For: Not Applicable
>
>
> Our docs and recommendations are not consistent about using one or two dashes 
> before parameters, e.g.:
> -idle_session_timeout=1800
> --idle_query_timeout=7200
> Please confirm:
> 1) Are both versions accepted in every case?
> 2) Which version is the preferred? We should stick to that in every doc.
> Thank you.



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